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Tele-Data Guard Tap Detector& Privacy Module, Phone Security
This new Tele-Data Guard keeps calls private. The Tele-Data Guard alerts the user if someone has picked up an extension, when the Tele-Data Guard is installed on all extensions, the extension you pick up automatically disconnects the others.
Specifications:
Green LED alert light
Signals whether line is in use
Protects faxes and modems from interruption
No batteries required
Size
2 1/2" x 1 7/8" x 1 1/4"
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